I don’t know if you’re still looking for resources or help, but this website has a good set of tutorials for cutting your teeth and getting started with SDL 2.0…
http://www.willusher.io/pages/sdl2/
I don’t know if you’re into print books, but the first book I got for learning how to program C++ for games was an excellent title by Michael Dawson. Here’s an Amazon link to the book:
I hope these help!